72 lines
2.0 KiB
Diff
72 lines
2.0 KiB
Diff
From e2eeaf85f1b5d6c4669b621d309ff904cbf96f4b Mon Sep 17 00:00:00 2001
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From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
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Date: Wed, 5 Nov 2014 15:08:03 +0000
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Subject: [PATCH] Fix bug when there are unset groups prior to (*ACCEPT) within
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a capturing group.
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1510 2f5784b3-3f2a-0410-8824-cb99058d5e15
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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Petr Pisar: Ported to 8.36
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diff --git a/pcre_exec.c b/pcre_exec.c
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index 654eb9e..fdf7067 100644
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--- a/pcre_exec.c
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+++ b/pcre_exec.c
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@@ -1474,7 +1474,18 @@ for (;;)
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md->offset_vector[offset] =
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md->offset_vector[md->offset_end - number];
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md->offset_vector[offset+1] = (int)(eptr - md->start_subject);
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- if (offset_top <= offset) offset_top = offset + 2;
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+
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+ /* If this group is at or above the current highwater mark, ensure that
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+ any groups between the current high water mark and this group are marked
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+ unset and then update the high water mark. */
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+
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+ if (offset >= offset_top)
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+ {
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+ register int *iptr = md->offset_vector + offset_top;
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+ register int *iend = md->offset_vector + offset;
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+ while (iptr < iend) *iptr++ = -1;
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+ offset_top = offset + 2;
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+ }
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}
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ecode += 1 + IMM2_SIZE;
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break;
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diff --git a/testdata/testinput1 b/testdata/testinput1
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index 123e3d3..091e307 100644
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--- a/testdata/testinput1
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+++ b/testdata/testinput1
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@@ -5720,4 +5720,7 @@ AbcdCBefgBhiBqz
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/[\Q]a\E]+/
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aa]]
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+/(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/
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+ 1234abcd
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+
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/-- End of testinput1 --/
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diff --git a/testdata/testoutput1 b/testdata/testoutput1
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index 5e71900..ba7ca37 100644
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--- a/testdata/testoutput1
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+++ b/testdata/testoutput1
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@@ -9411,4 +9411,13 @@ No match
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aa]]
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0: aa]]
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+/(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/
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+ 1234abcd
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+ 0:
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+ 1: <unset>
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+ 2: <unset>
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+ 3: <unset>
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+ 4: <unset>
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+ 5:
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+
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/-- End of testinput1 --/
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--
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1.9.3
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